12222164046 has 32 divisors (see below), whose sum is σ = 25112014848. Its totient is φ = 3962835360.

The previous prime is 12222164011. The next prime is 12222164047. The reversal of 12222164046 is 64046122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222164047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1243411 + ... + 1253201.

It is an arithmetic number, because the mean of its divisors is an integer number (784750464).

Almost surely, 2^12222164046 is an apocalyptic number.

12222164046 is an abundant number, since it is smaller than the sum of its proper divisors (12889850802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12222164046 is a wasteful number, since it uses less digits than its factorization.

12222164046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15456.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 12222164046 its reverse (64046122221), we get a palindrome (76268286267).

The spelling of 12222164046 in words is "twelve billion, two hundred twenty-two million, one hundred sixty-four thousand, forty-six".